1981 Alfa Romeo Alfasud vs. 2009 Cadillac BLS
To start off, 2009 Cadillac BLS is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Alfasud would be higher. At 2,792 cc (6 cylinders), 2009 Cadillac BLS is equipped with a bigger engine. In terms of performance, 2009 Cadillac BLS (252 HP @ 5500 RPM) has 146 more horse power than 1981 Alfa Romeo Alfasud. (106 HP @ 6000 RPM) In normal driving conditions, 2009 Cadillac BLS should accelerate faster than 1981 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac BLS weights approximately 705 kg more than 1981 Alfa Romeo Alfasud. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Cadillac BLS (365 Nm @ 1800 RPM) has 232 more torque (in Nm) than 1981 Alfa Romeo Alfasud. (133 Nm @ 4000 RPM). This means 2009 Cadillac BLS will have an easier job in driving up hills or pulling heavy equipment than 1981 Alfa Romeo Alfasud.
Compare all specifications:
| 1981 Alfa Romeo Alfasud | 2009 Cadillac BLS | |
| Make | Alfa Romeo | Cadillac |
| Model | Alfasud | BLS |
| Year Released | 1981 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1490 cc | 2792 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 106 HP | 252 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 133 Nm | 365 Nm |
| Torque RPM | 4000 RPM | 1800 RPM |
| Engine Bore Size | 84.1 mm | 89.1 mm |
| Engine Stroke Size | 67.2 mm | 74.8 mm |
| Engine Compression Ratio | 9.5:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 1635 kg |
| Vehicle Length | 4030 mm | 4690 mm |
| Vehicle Width | 1630 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1480 mm |
| Wheelbase Size | 2470 mm | 2680 mm |
| Fuel Tank Capacity | 50 L | 58 L |
